From 1cc22da6002bc12b11e2e9455143c9f16ed0f5c4 Mon Sep 17 00:00:00 2001
From: "Paul \"LeoNerd\" Evans" <paul@matrix.org>
Date: Thu, 27 Oct 2016 18:09:34 +0100
Subject: [PATCH] Set up the process collector during metrics __init__; that
 way all split-process workers have it

---
 synapse/app/homeserver.py   | 2 --
 synapse/metrics/__init__.py | 3 +++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 6766befc4e..54f35900f8 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -52,7 +52,6 @@ from synapse.config.homeserver import HomeServerConfig
 from synapse.crypto import context_factory
 from synapse.util.logcontext import LoggingContext
 from synapse.metrics import register_memory_metrics, get_metrics_for
-from synapse.metrics.process_collector import register_process_collector
 from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
 from synapse.replication.resource import ReplicationResource, REPLICATION_PREFIX
 from synapse.federation.transport.server import TransportLayerServer
@@ -338,7 +337,6 @@ def setup(config_options):
         hs.get_replication_layer().start_get_pdu_cache()
 
         register_memory_metrics(hs)
-        register_process_collector(get_metrics_for("process"))
 
     reactor.callWhenRunning(start)
 
diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py
index f6c084169b..7041da25ce 100644
--- a/synapse/metrics/__init__.py
+++ b/synapse/metrics/__init__.py
@@ -24,6 +24,7 @@ from .metric import (
     CounterMetric, CallbackMetric, DistributionMetric, CacheMetric,
     MemoryUsageMetric,
 )
+from .process_collector import register_process_collector
 
 
 logger = logging.getLogger(__name__)
@@ -121,6 +122,8 @@ reactor_metrics.register_callback(
     "gc_counts", lambda: {(i,): v for i, v in enumerate(gc.get_count())}, labels=["gen"]
 )
 
+register_process_collector(get_metrics_for("process"))
+
 
 def runUntilCurrentTimer(func):
 
-- 
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